21 and 22 are vertical angles. Z2 has a measure of 93º.
What is the measure of Z1 ?
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Find the slope of the line that contains the following points. r(-2, 4), s(6, -2)

One of the inventors of integrated circuits observed that the number of transistors that fit on an integrated circuit will double every 24 months. what type of relationship most appropriately models this situation?

Asquare has a side that measures 11 units. what is the area of a circle with a circumference that equals the perimeter of the square? use 3.14 for π, and round your answer to the nearest hundredth. 1519.76 units2 379.94 units2 616.56 units2 154.14 units2